Final answer:
Greek philosophers were important to the study of history as they introduced critical thinking and rational inquiry, which are fundamental to historical analysis.
Step-by-step explanation:
The Greek philosophers were important to the study of history because they laid the foundation for critical thinking and rational inquiry. They sought to understand the nature of the world through reason and logic, which was a departure from supernatural explanations. Although their ideas were often inaccurate, their philosophical approach paved the way for the development of scientific methods and the exploration of different perspectives in historical analysis.